From: Emden Gansner <erg@research.att.com>
Date: Wed, 27 Feb 2013 20:33:21 +0000 (-0500)
Subject: Fix scanner. As quotes are the only quoted character, we can't map the dyad \\ to... 
X-Git-Tag: LAST_LIBGRAPH~32^2~223
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d19b672a3c06f0ae95b1da38b63b068f71eb266f;p=graphviz

Fix scanner. As quotes are the only quoted character, we can't map the dyad \\ to \\, as
the second backslash may be escaping a quote.
---

diff --git a/lib/cgraph/scan.l b/lib/cgraph/scan.l
index e2215d1f4..3cfde0fdd 100644
--- a/lib/cgraph/scan.l
+++ b/lib/cgraph/scan.l
@@ -180,7 +180,6 @@ ID		({NAME}|{NUMBER})
 ["]						BEGIN(qstring); beginstr();
 <qstring>["]			BEGIN(INITIAL); endstr(); return (T_qatom);
 <qstring>[\\]["]		addstr ("\"");
-<qstring>[\\][\\]		addstr ("\\\\");
 <qstring>[\\][\n]		line_num++; /* ignore escaped newlines */
 <qstring>([^"\\]*|[\\])		addstr(yytext);
 [<]						BEGIN(hstring); html_nest = 1; beginstr();